3.1÷0.7=4…______.
125×(4+8)=______×______+______×______.
0.125=5:______=______%=______÷______.
根据1.2×4=0.6×8,可以写成比例______:______=______:______.
从36的约数中选出4个数组成比例:______:______=______:______.
27046=2×______+7×______+4×______+6×______.
如果4A=5B,那么 AB=______;5=24÷______=______:15.
27÷______=______…3.上式______里填入适当的数,使等式成立,共有______种不同的填法.
______÷______=34
填质数:21=______+______=______×______=______-______.
在算式35÷5=7中,______是______的倍数,______是______的因数.
56÷7=8中,______是______的倍数,______是______的因数.
3÷______=______÷24=75%=______折.